<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="模板图片" prop="templateImage">
        <UploadImg v-model="formData.templateImage" />
      </el-form-item>
      <el-form-item label="模板名称" prop="templateName">
        <el-input v-model="formData.templateName" placeholder="请输入模板名称" />
      </el-form-item>
      <el-form-item label="模板分类" prop="categoryId">
        <el-input
          v-model="selectedCategoryName"
          placeholder="请选择模板分类"
          clearable
          readonly
          @clear="handleClearCategory"
        >
          <template #suffix>
            <Icon
              icon="ep:search"
              class="cursor-pointer hover:text-primary"
              @click="openCategoryDialog"
            />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item label="素材要求" prop="materialRequirement">
        <el-input v-model="formData.materialRequirement" placeholder="请输入素材要求" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>

  <!-- 模板分类选择弹窗 -->
  <TemplateCategorySelectDialog ref="categoryDialogRef" @confirm="handleCategoryConfirm" />
</template>
<script setup lang="ts">
import { ShowTemplateApi, ShowTemplateVO } from '@/api/system/showtemplate'
import { TemplateCategoryApi, TemplateCategoryVO } from '@/api/system/templatecategory'
import TemplateCategorySelectDialog from './TemplateCategorySelectDialog.vue'

/** 晒单模板 表单 */
defineOptions({ name: 'ShowTemplateForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined as number | undefined,
  templateImage: undefined as string | undefined,
  templateName: undefined as string | undefined,
  categoryId: undefined as number | undefined,
  materialRequirement: undefined as string | undefined,
})
const formRules = reactive({
  templateImage: [{ required: true, message: '模板图片不能为空', trigger: 'blur' }],
  templateName: [{ required: true, message: '模板名称不能为空', trigger: 'blur' }],
  categoryId: [{ required: true, message: '模板分类不能为空', trigger: 'blur' }],
  materialRequirement: [{ required: true, message: '素材要求不能为空', trigger: 'blur' }],
})
const formRef = ref() // 表单 Ref
const categoryDialogRef = ref() // 分类选择弹窗
const selectedCategoryName = ref('') // 选中的分类名称

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await ShowTemplateApi.getShowTemplate(id)
      // 如果有分类ID，获取分类名称用于显示
      if (formData.value.categoryId) {
        try {
          const categoryData = await TemplateCategoryApi.getTemplateCategory(formData.value.categoryId)
          selectedCategoryName.value = categoryData.categoryName
        } catch (error) {
          console.error('获取分类信息失败:', error)
          selectedCategoryName.value = `分类ID: ${formData.value.categoryId}`
        }
      }
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as ShowTemplateVO
    if (formType.value === 'create') {
      await ShowTemplateApi.createShowTemplate(data)
      message.success(t('common.createSuccess'))
    } else {
      await ShowTemplateApi.updateShowTemplate(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 打开分类选择弹窗 */
const openCategoryDialog = () => {
  categoryDialogRef.value?.open()
}

/** 分类选择确认 */
const handleCategoryConfirm = (category: TemplateCategoryVO) => {
  formData.value.categoryId = category.id
  selectedCategoryName.value = category.categoryName
}

/** 清空分类选择 */
const handleClearCategory = () => {
  formData.value.categoryId = undefined
  selectedCategoryName.value = ''
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined as number | undefined,
    templateImage: undefined as string | undefined,
    templateName: undefined as string | undefined,
    categoryId: undefined as number | undefined,
    materialRequirement: undefined as string | undefined,
  }
  selectedCategoryName.value = '' // 清空分类名称
  formRef.value?.resetFields()
}
</script>